import axios from "axios";
import {
  ElNotification,
  ElMessageBox,
  ElMessage,
  ElLoading,
} from "element-plus";
import store from "@/store";
import { getToken } from "@/utils/auth";
import errorCode from "@/utils/errorCode";
import { tansParams, blobValidate } from "@/utils/notam";
import cache from "@/plugins/cache";
import { saveAs } from "file-saver";
import { preProcessData } from "@/utils/validate";
import { goSsoAuth, logout } from "@/utils/permission.js";

let downloadLoadingInstance;
// 是否显示重新登录
export let isRelogin = { show: false };

axios.defaults.headers["Content-Type"] = "application/json;charset=utf-8";
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  // baseURL: import.meta.env.VITE_APP_BASE_API,
  // 超时
  timeout: 1000000000,
});

// request拦截器
service.interceptors.request.use(
  (config) => {
    // 是否需要设置 token
    if (localStorage.getItem("satoken")) {
      config.headers.satoken = localStorage.getItem("satoken");
    }
    let compCode =
      store.state.user.compCode || localStorage.getItem("compcode");
    config.headers.ap = import.meta.env.VITE_APP_BASE_AP || compCode;
    const isToken = (config.headers || {}).isToken === false;
    // 是否需要防止数据重复提交
    const isRepeatSubmit = (config.headers || {}).repeatSubmit === false;
    if (getToken() && !isToken) {
      config.headers["Authorization"] = "Bearer " + getToken(); // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    // get请求映射params参数
    if (config.method === "get" && config.params) {
      let params = preProcessData(config.params);
      let url = config.url + "?" + tansParams(params);
      url = url.slice(0, -1);
      config.params = {};
      config.url = url;
    }
    if (
      !isRepeatSubmit &&
      (config.method === "post" || config.method === "put")
    ) {
      const requestObj = {
        url: config.url,
        data:
          typeof config.data === "object"
            ? JSON.stringify(config.data)
            : config.data,
        time: new Date().getTime(),
      };
      const sessionObj = cache.session.getJSON("sessionObj");
      if (
        sessionObj === undefined ||
        sessionObj === null ||
        sessionObj === ""
      ) {
        cache.session.setJSON("sessionObj", requestObj);
      } else {
        const s_url = sessionObj.url; // 请求地址
        const s_data = sessionObj.data; // 请求数据
        const s_time = sessionObj.time; // 请求时间
        const interval = 1000; // 间隔时间(ms)，小于此时间视为重复提交
        if (
          s_data === requestObj.data &&
          requestObj.time - s_time < interval &&
          s_url === requestObj.url
        ) {
          const message = "数据正在处理，请勿重复提交";
          console.warn(`[${s_url}]: ` + message);
          return Promise.reject(new Error(message));
        } else {
          cache.session.setJSON("sessionObj", requestObj);
        }
      }
    }
    return config;
  },
  (error) => {
    console.log(error);
    Promise.reject(error);
  }
);

// 响应拦截器
service.interceptors.response.use(
  (res) => {
    // 未设置状态码则默认成功状态
    const code = res.data.code || res.data.statusCode || 200;
    // 获取错误信息
    const msg =
      res.data.message ||
      errorCode[code] ||
      res.data.msg ||
      errorCode["default"];
    // 二进制数据则直接返回
    if (
      res.request.responseType === "blob" ||
      res.request.responseType === "arraybuffer"
    ) {
      console.log("🚀 ~ res:", res)
      return res;
    }
    if (code === 401) {
      goSsoAuth();
      // if (!isRelogin.show) {
      //   isRelogin.show = true;
      //   ElMessageBox.confirm(
      //     "登录状态已过期，您可以继续留在该页面，或者重新登录",
      //     "系统提示",
      //     {
      //       confirmButtonText: "重新登录",
      //       cancelButtonText: "取消",
      //       type: "warning",
      //     }
      //   )
      //     .then(() => {
      //       isRelogin.show = false;
      //       goSsoAuth();
      //     })
      //     .catch(() => {
      //       isRelogin.show = false;
      //       // logout()
      //     });
      // }

      // return Promise.reject('无效的会话，或者会话已过期，请重新登录。')ile: index.js:175 ~ setSessionid
    } else if (code === 500) {
      ElMessage({
        message: msg,
        type: "error",
      });
      return Promise.reject(new Error(msg));
    } else if (code !== 200) {
      ElNotification.error({
        title: msg,
      });
      return Promise.reject("error");
    } else {
      return Promise.resolve(res.data);
    }
  },
  (error) => {
    console.log("err" + error);
    let { message } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    } else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    } else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    ElMessage({
      message: message,
      type: "error",
      duration: 5 * 1000,
    });
    return Promise.reject(error);
  }
);

export function downloadGetBlob(url, params, method = "get", filename) {
  downloadLoadingInstance = ElLoading.service({
    text: "正在下载数据，请稍候",
    background: "rgba(0, 0, 0, 0.7)",
  });
  let obj =
    method == "post"
      ? {
        url: url,
        method: "post",
        data: params,
        responseType: "blob",
      }
      : {
        url: url,
        method: "get",
        params: params,
        responseType: "blob",
      };
  service(obj)
    .then(async (res) => {
      let data = res.data;
      const isLogin = await blobValidate(data);
      if (isLogin) {
        const blob = new Blob([data]);
        const fileName1 = decodeURIComponent(
          res.headers["content-disposition"]?.split("filename=")[1]
        );
        saveAs(blob, fileName1);
      } else {
        const resText = await data.text();
        const rspObj = JSON.parse(resText);
        const errMsg =
          errorCode[rspObj.code] || rspObj.msg || errorCode["default"];
        ElMessage.error(errMsg);
      }
      downloadLoadingInstance.close();
    })
    .catch((r) => {
      console.error(r);
      ElMessage.error("下载文件出现错误，请联系管理员！");
      downloadLoadingInstance.close();
    });
}

// 通用下载方法2(后端返回文件全路径)
export function downloadGet(url, query, filename) {
  downloadLoadingInstance = ElLoading.service({
    text: "正在下载数据，请稍候",
    background: "rgba(0, 0, 0, 0.7)",
  });

  service({
    url: url,
    method: "get",
    params: query,
    responseType: "blob",
  })
    .then(async (res) => {
      const name = decodeURIComponent(
        res.headers["content-disposition"]?.split("filename=")[1]
      )
      const blob = new Blob([res.data], {
        type: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8",
      });
      saveAs(blob, name);
      // const link = document.createElement("a");
      // link.href = window.URL.createObjectURL(blob);
      // link.download = name;
      // document.body.appendChild(link);
      // link.click();
      // document.body.removeChild(link);
    })
    .catch((r) => {
      console.error(r);
      ElMessage.error("下载文件出现错误，请联系管理员！");
    })
    .finally(() => {
      downloadLoadingInstance.close();
    });
}

export default service;
